20560416

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3511}}^1$

素因数の和:3585

約数の個数: 48

約数和(自身を含む): 54871488

約数和(自身を除く): 34311072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 3511, 5856, 7022, 10533, 14044, 21066, 28088, 42132, 56176, 84264, 112352, 168528, 214171, 337056, 428342, 642513, 856684, 1285026, 1713368, 2570052, 3426736, 5140104, 6853472, 10280208, 20560416]

約数ペア:

[(1, 20560416), (2, 10280208), (3, 6853472), (4, 5140104), (6, 3426736), (8, 2570052), (12, 1713368), (16, 1285026), (24, 856684), (32, 642513), (48, 428342), (61, 337056), (96, 214171), (122, 168528), (183, 112352), (244, 84264), (366, 56176), (488, 42132), (732, 28088), (976, 21066), (1464, 14044), (1952, 10533), (2928, 7022), (3511, 5856)]